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Author Question: How is it possible that life cycles of stars are so well understood and tested, even though they can ... (Read 13 times)

anshika

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on: Jul 27, 2018
How is it possible that life cycles of stars are so well understood and tested, even though they can take billions of years to happen?
 
  What will be an ideal response?

Question 2

All the jovian planets lie beyond the asteroid belt.
 
  Indicate whether the statement is true or false


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ryrychapman11

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Reply #1 on: Jul 27, 2018
Answer to Question 1

Astronomers have observed many, many stars at all different stages of their lives. This makes it possible to assemble a complete sequence of steps and to test theoretical models.

Answer to Question 2

TRUE


anshika

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Reply 2 on: Jul 27, 2018
Gracias!

lindahyatt42

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Reply 3 on: Yesterday
Excellent

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